//
//  CZVisitorView.swift
//  Weibo28
//
//  Created by Apple on 16/5/11.
//  Copyright © 2016年 itcast. All rights reserved.
//

import UIKit
import SnapKit

class CZVisitorView: UIView {

    //  设置闭包
    var callBackClosure: (()->())?
    
    //  MARK:   -懒加载控件
    //  旋转图片
    private lazy var cycleImageView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    //  罩层
    private lazy var maskImageView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    //  icon
    private lazy var iconImageView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    //  文本信息
    private lazy var messageLabel: UILabel = {
        let label = UILabel()
        label.textColor = UIColor.darkGrayColor()
        label.text = "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜"
        label.font = UIFont.systemFontOfSize(14)
        label.textAlignment = .Center
        //  多行显示
        label.numberOfLines = 0
        return label
    }()
    
    //  注册按钮
    private lazy var registerButton: UIButton = {
        let button = UIButton()
        button.setTitle("注册", forState: .Normal)
        button.addTarget(self, action: "registerAction", forControlEvents: .TouchUpInside)
        button.titleLabel?.font = UIFont.systemFontOfSize(14)
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: .Normal)
        button.setTitleColor(UIColor.darkGrayColor(), forState: .Normal)
        button.setTitleColor(UIColor.orangeColor(), forState: .Highlighted)
        return button
    }()
    
    //  登陆按钮
    private lazy var loginButton: UIButton = {
        let button = UIButton()
        button.setTitle("登陆", forState: .Normal)
        button.addTarget(self, action: "loginAction", forControlEvents: .TouchUpInside)
        button.titleLabel?.font = UIFont.systemFontOfSize(14)
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: .Normal)
        button.setTitleColor(UIColor.darkGrayColor(), forState: .Normal)
        button.setTitleColor(UIColor.orangeColor(), forState: .Highlighted)
        return button
    }()
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    private func setupUI() {
    
        backgroundColor = UIColor(white: 237 / 255, alpha: 1)
        addSubview(cycleImageView)
        addSubview(maskImageView)
        addSubview(iconImageView)
        addSubview(messageLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        //  设置约束
        //  使用代码的形式自动布局
        
        cycleImageView.snp_makeConstraints { (make) -> Void in
            make.center.equalTo(self)
        }
        maskImageView.snp_makeConstraints { (make) -> Void in
            make.center.equalTo(cycleImageView)
        }
        iconImageView.snp_makeConstraints { (make) -> Void in
            make.center.equalTo(cycleImageView)
        }
        messageLabel.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(cycleImageView)
            make.top.equalTo(cycleImageView.snp_bottom)
            make.size.equalTo(CGSize(width: 224, height: 40))
        }
        registerButton.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(messageLabel.snp_bottom).offset(10)
            make.leading.equalTo(messageLabel)
            make.size.equalTo(CGSize(width: 100, height: 35))
        }
        loginButton.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(registerButton)
            make.trailing.equalTo(messageLabel)
            make.size.equalTo(registerButton)
        }
        
        
        
    }
    
    //  MARK:   -点击事件
    @objc private func loginAction() {
    
        print("loginAction")
        callBackClosure?()
    }
    
    @objc private func registerAction() {
        print("registerAction")
        callBackClosure?()
    }
    
    //  开始动画
    private func startAnimation() {
        let animation = CABasicAnimation(keyPath: "transform.rotation")
        //  目的地
        animation.toValue = 2 * M_PI
        //  时长
        animation.duration = 20
        //  重复次数
        animation.repeatCount = MAXFLOAT
        //  防止动画释放掉
        animation.removedOnCompletion = false
        cycleImageView.layer.addAnimation(animation, forKey: nil)
        
    }
    
    //  修改访客视图信息
    func setVistorInfo(title: String?, imageName: String?) {
    
        if let t = title, imgName = imageName {
            //  进入不是首页,进入的是消息,发现,我的
            messageLabel.text = t
            iconImageView.image = UIImage(named: imgName)
            
            //  旋转的图片隐藏
            cycleImageView.hidden = true
            
        } else {
            //  通过首页进入的
            cycleImageView.hidden = false
            //  开启旋转动画
            startAnimation()
        }
        
        
    }
    
    private func test() {
        //  使用系统的约束
        cycleImageView.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: cycleImageView, attribute: .CenterX, relatedBy: .Equal, toItem: self, attribute: .CenterX, multiplier: 1, constant: 0))
        addConstraint(NSLayoutConstraint(item: cycleImageView, attribute: .CenterY, relatedBy: .Equal, toItem: self, attribute: .CenterY, multiplier: 1, constant: 0))
    }

}
